Garmin GTM 12 FM TMC Traffic Receiver : Compact design with a new easy-to-install antenna Using a USB connection, the GTM 12 delivers real-time traffic information to compatible Garmin GPS products Your GPS will then alert you to local traffic tie-ups, display graphical map symbols, and suggest alternate routes The GTM 12 is currently compatible with the StreetPilot c340, StreetPilot 2720, StreetPilot 2820, StreetPilot 7200/7500, nuvi 350 and nuvi 360 In the U.S., the GTM 12 traffic receiver comes with 15-months of free subscription to Clear Channel TMC To renew your subscription, the cost for a 1-year subscription is $60.00 Traffic services is available in select cities where RDS-TMC coverage exists. Visit the following Web site for details on coverage areas: http://www.realtimetraffic.